Low-Cost Molded
Industrial VRS Magnetic
Speed Sensors
DESCRIPTION
Low-Cost Molded VRS Sensors are designed for use in OEM
(Original Equipment Manufacturer) applications.
Passive VRS (Variable Reluctance Speed) Magnetic Speed
sensors are simple, rugged devices that do not require an
external voltage source for operation.
A permanent magnet in the sensor establishes a fixed
magnetic field. The approach and passing of a ferrous metal
target near the sensor’s pole piece (sensing area) changes the
flux lines of the magnetic field, dynamically changing its
strength. This change in magnetic field strength induces a
current into a coil winding which is attached to the output
terminals.
FEATURES
•
Self-powered operation
•
Direct conversion of actuator speed to output frequency
•
Simple installation
•
No moving parts
•
Designed for use over a wide range of speeds
•
Adaptable to a wide variety of configurations
•
Customized VRS products for unique speed sensing
applications
•
Housing diameters: 0.505 in, 7/16 in, 0.292 in, 1/4 in
•
Housing materials/styles: plastic smooth or threaded
•
Terminations: Crimp, pin, preleaded
•
Output voltages: 10 Vp-p to 190 Vp-p
The output signal of a VRS sensor is an ac voltage that varies
in amplitude and wave frequency as the speed of the
monitored device changes, and is usually expressed in peak to
peak voltage (Vp-p).
One complete waveform (cycle) occurs as each target passes
the sensor’s pole piece. If a standard gear were used as a
target, this output signal would resemble a sine wave if viewed
on an oscilloscope.
Honeywell also offers VRS sensors for general purpose, high
output, power output, high resolution and high temperature, as
well as hazardous location applications.
POTENTIAL APPLICATIONS
•
Engine RPM (revolutions per minute) measurement on
aircraft, automobiles, boats, buses, trucks and rail
vehicles
•
Motor RPM measurement on drills, grinders, lathes and
automatic screw machines
•
Motor RPM measurement on precision camera, tape
recording and motion picture equipment
•
Process speed measurement on food, textile, paper,
woodworking, printing, tobacco and pharmaceutical
industry machinery
•
Motor speed measurement of electrical generating
equipment
•
Speed measurement of pumps, blowers, mixers, exhaust
and ventilating fans
•
Flow measurement on turbine meters
•
Wheel-slip measurement on autos and locomotives
•
Gear speed measurement
Low-Cost Molded
0.505 INCH SENSORS (All dimensions for reference only. mm/[in])
Catalog Listing: 2040C (For 230
ºC
[450
ºF]
capability, order 2040CHT.)
General Specifications
Parameter
Characteristic
Min. output voltage 115 Vp-p
Max. coil resistance 120 Ohm
to 162 Ohm
Pole piece
4,75 mm
diameter
[0.187 in]
Weight
28 g [1.0 oz]
Parameter
Characteristic
Inductance
85 mH max.
Gear pitch range 12 DP (module 2.11)
or coarser
Operating temp. -55
ºC
to 120
ºC
range
[-67
ºF
to 250
ºF]
Termination
Crimp terminals
Test Condition Specifications
Parameter
Surface speed
Gear
Air gap
Load resistance
Characteristic
25 m/s [1000 in/s]
8 DP (module 3.17)
0,127 mm [0.005 in]
100 kOhm
Catalog Listing: 2030C
General Specifications
Parameter
Characteristic
Min. output voltage 190 Vp-p
Max. coil resistance 910 Ohm to
1200 Ohm
Pole piece diameter 2.69 mm [0.106 in]
Weight
28 g [1.0 oz]
Parameter
Characteristic
Inductance
400 mH max.
Gear pitch range 24 DP (module 1.06)
or coarser
Operating temp. -55
ºC
to 120
ºC
range
[-67
ºF
to 250
ºF]
Termination
Crimp terminals
Test Condition Specifications
Parameter
Surface speed
Gear
Air gap
Load resistance
Characteristic
25 m/s [1000 in/s]
20 DP (module 1.27)
0,127 mm [0.005 in]
100 kOhm
2
www.honeywell.com/sensing
Industrial VRS Magnetic Speed Sensors
0.505 INCH SENSORS CONTINUED (All dimensions for reference only. mm/[in])
Catalog Listing: 2030P (For 230
ºC
[450
ºF]
capability, order 2030PHT.)
General Specifications
Parameter
Characteristic
Min. output voltage 190 Vp-p
Max. coil resistance 910 Ohm to
1200 Ohm
Pole piece diameter 2.69 mm [0.106 in]
Weight
28 g [1.0 oz]
Parameter
Characteristic
Inductance
400 mH max.
Gear pitch range 24 DP (module 1.06)
or coarser
Operating temp. -55
ºC
to 120
ºC
range
[-67
ºF
to 250
ºF]
Termination
Pin terminals
Test Condition Specifications
Parameter
Surface speed
Gear
Air gap
Load resistance
Characteristic
25 m/s [1000 in/s]
20 DP (module 1.27)
0,127 mm [0.005 in]
100 kOhm
Catalog Listing: 2010C (For 230
ºC
[450
ºF]
capability, order 2010CHT.)
General Specifications
Parameter
Characteristic
Min. output voltage 40 Vp-p
Max. coil resistance 45 Ohm
to 85 Ohm
Pole piece diameter 2.69 mm [0.106 in]
Weight
28 g [1.0 oz]
Parameter
Characteristic
Inductance
25 mH max.
Gear pitch range 24 DP (module 1.06)
or coarser
Operating temp. -55
ºC
to 120
ºC
range
[-67
ºF
to 250
ºF]
Termination
Crimp terminals
Test Condition Specifications
Parameter
Surface speed
Gear
Air gap
Load resistance
Characteristic
25 m/s [1000 in/s]
20 DP (module 1.27)
0,127 mm [0.005 in]
100 kOhm
Honeywell Sensing and Control
3
Low-Cost Molded
0.292 INCH SENSORS (All dimensions for reference only. mm/[in])
Catalog Listing: 2025C
General Specifications
Parameter
Characteristic
Min. output voltage 55 Vp-p
Max. coil resistance 390 Ohm
Parameter
Characteristic
Inductance
75 mH max.
Gear pitch range 26 DP (module 0.98)
or coarser
Pole piece diameter 2.36 mm [0.093] in Operating temp. -40
ºC
to 225
ºC
range
[-40
ºF
to 107
ºF]
Weight
28 g [1.0 oz]
Termination
Crimp terminals
Test Condition Specifications
Parameter
Surface speed
Gear
Air gap
Load resistance
Characteristic
25 m/s [1000 in/s]
20 DP (module 1.27)
0,127 mm [0.005 in]
100 kOhm
Catalog Listing: 2015C
General Specifications
Parameter
Characteristic
Inductance
15 mH max.
Gear pitch range 26 DP (module 0.98)
or coarser
Pole piece diameter 2.36 mm [0.093] in Operating temp. -40
ºC
to 225
ºC
range
[-40
ºF
to 107
ºF]
Weight
28 g [1.0 oz]
Termination
Crimp terminals
Parameter
Characteristic
Min. output voltage 20 Vp-p
Max. coil resistance 80 Ohm
Test Condition Specifications
Parameter
Surface speed
Gear
Air gap
Load resistance
Characteristic
25 m/s [1000 in/s]
20 DP (module 1.27)
0,127 mm [0.005 in]
100 kOhm
4
www.honeywell.com/sensing
Industrial VRS Magnetic Speed Sensors
7/16 INCH SENSORS
Catalog Listing: 3022
General Specifications
Parameter
Characteristic
Min. output voltage 17.5 Vp-p
Max. coil resistance 54 Ohm
Pole piece diameter 2.36 mm
[0.093] in
Weight
11 g [0.4 oz]
Mounting thread
7/16-20 UNF-2A
Parameter
Characteristic
Inductance
9 mH max.
Gear pitch range 26 DP (module 0.98)
or coarser
Operating temp. -18
ºC
to 93
ºC
range
[0
ºF
to 200
ºF]
Termination
22 AWG PVC-
insulated leads
Test Condition Specifications
Parameter
Surface speed
Gear
Air gap
Load resistance
Characteristic
25 m/s [1000 in/s]
20 DP (module 1.27)
0,127 mm [0.005 in]
100 kOhm
Catalog Listing: 302662
General Specifications
Parameter
Characteristic
Inductance
11 mH max.
Gear pitch range 32 DP (module 0.80)
or coarser
Pole piece diameter 1,83 mm [0.072 in] Operating temp. -40
ºC
to 107
ºC
range
[-40
ºF
to 225
ºF]
Weight
4.2 g [15 oz]
Termination
26 AWG PVC-
insulated leads
Parameter
Characteristic
Min. output voltage 10 Vp-p
Max. coil resistance 130 Ohm
Test Condition Specifications
Parameter
Surface speed
Gear
Air gap
Load resistance
Characteristic
25 m/s [1000 in/s]
20 DP (module 1.27)
0,127 mm [0.005 in]
100 kOhm
Honeywell Sensing and Control
5
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